* gnu/packages/patches/librewolf-use-system-wide-dir.patch: New file.
* gnu/local.mk (dist_patch_DATA): Regisiter it.
* gnu/packages/librewolf.scm (make-librewolf-source)[patches]: Add it along with
torbrowser-compare-paths.patch.
(librewolf)[native-search-paths]: Add ICECAT_SYSTEM_DIR.
Change-Id: I8609d25a7e2725ad94ab257d720326639eb06778